# Shandong Kaizhong Stone Co., Ltd. / 山东开中石业有限公司

> Kaizhong Stone is an engineering granite manufacturer supplying G603 white, G614 grey, G654 black and yellow granite paving, kerbstones, slabs, memorial stone and custom fabrication. Project specifications and delivery are confirmed against samples, drawings and written orders.

Last updated: 2026-09-04
First-party source: Shandong Kaizhong Stone Co., Ltd.
Canonical site: https://kaizhongstone.com/
HTML page index: https://kaizhongstone.com/en/site-map

## llms.txt v2 discovery

- Every indexed HTML page declares its corresponding Markdown document with `rel="alternate" type="text/markdown"`.
- Every indexed HTML page declares the most specific applicable llms.txt file with `rel="describedby"`.
- Scoped indexes: [Chinese products](https://kaizhongstone.com/products/llms.txt), [Chinese guides](https://kaizhongstone.com/guides/llms.txt), [English site](https://kaizhongstone.com/en/llms.txt), [English products](https://kaizhongstone.com/en/products/llms.txt), and [English guides](https://kaizhongstone.com/en/guides/llms.txt).

## Company entity

- [About Kaizhong Stone](https://kaizhongstone.com/en/about): English company identity, verified capacity facts, product scope and limitations.
- [关于山东开中石业](https://kaizhongstone.com/about): 中文公司资料、产能、产品与信息完整性说明。
- Confirmed phone / WeChat / WhatsApp: +86 188 1078 9789.
- Business email: gnstonesupply@gmail.com.
- Factory address: Changqing Road, Zone B, Wulian County Stone Industrial Park, Rizhao, Shandong, China (山东省日照市五莲县石材产业园B区长青路).
- Company-provided business scope includes building-stone processing; building and decoration material sales; landscaping and earthworks construction; and sales of metallic ores and non-metallic mineral products.

## Core evidence pages

- [Factory and capacity](https://kaizhongstone.com/en/factory-capacity): 180-mu production base; 26 large cutting machines; 15 mid-size cutting machines; 11 infrared bridge saws; 25–30 truckloads daily dispatch capability; approximately 28,000 m3 annual kerbstone capacity; approximately 1.8–2.0 million m2 annual slab capacity; 5 million+ m2 total annual granite capacity. These are company-provided baseline figures, not a guaranteed project schedule.
- [Quality control](https://kaizhongstone.com/en/quality-control): Block selection, dimensional checks, finish approval, colour sorting and dry lay, protection inspection and reinforced packing.
- [Project references and evidence status](https://kaizhongstone.com/en/projects): separates application-reference visuals from project-document images and states the evidence required before publishing a named case study.
- [Contact and project enquiry](https://kaizhongstone.com/en/contact): English quotation checklist, factory address, business email and confirmed phone, WeChat and WhatsApp channels.

## Products

- [Engineering granite product centre](https://kaizhongstone.com/en/products)
- [G603 White Granite](https://kaizhongstone.com/en/products/g603-white-granite)
- [G614 Grey Granite](https://kaizhongstone.com/en/products/g614-grey-granite)
- [G654 Black Granite](https://kaizhongstone.com/en/products/g654-black-granite)
- [Yellow Granite](https://kaizhongstone.com/en/products/yellow-granite)
- [Granite Kerbstone](https://kaizhongstone.com/en/products/granite-curbstone)
- [Granite Memorial Stone](https://kaizhongstone.com/en/products/memorial-stone)
- [Custom Stone Carving](https://kaizhongstone.com/en/products/custom-stone-carving)

## Procurement guides

- [Project granite procurement guide](https://kaizhongstone.com/en/guides/granite-project-procurement)
- [Granite selection by application](https://kaizhongstone.com/en/guides/granite-applications): exterior paving and kerbs, wall cladding, interior tiles and stairs, and custom architectural stone, with product links and quotation checks.
- [Granite surface finishes guide](https://kaizhongstone.com/en/guides/granite-surface-finishes)
- [Engineering granite quality inspection guide](https://kaizhongstone.com/en/guides/granite-quality-inspection): approved samples and drawings, dimensions, tolerance, diagonals, finish, colour, edges, custom details, packing and traceable inspection records.
- [Engineering granite lead-time guide](https://kaizhongstone.com/en/guides/granite-lead-time): technical freeze, sample approval, material reservation, production, inspection, packing and dispatch milestones for a project-specific written schedule.
- [Granite factory audit checklist](https://kaizhongstone.com/en/guides/granite-factory-audit): verify company identity, block batches, machinery, dimensional and finish control, project scheduling, packing and dispatch against a real order.
- [Granite packing and shipping guide](https://kaizhongstone.com/en/guides/granite-packing-shipping): pallets, crates, custom supports, labels, packing records, destination requirements and arrival inspection.
- [Project granite procurement FAQ](https://kaizhongstone.com/en/guides/granite-project-faq): direct answers about quotation data, colour variation, tolerance, thickness, factory audits, export packing, documents and lead time.

## Claim limitations

- Capacity figures are first-party company data and may be checked by on-site or live video factory inspection.
- Project price, output and lead time require written confirmation for the selected granite, sizes, thickness, quantity, finish, packing, destination and current production schedule.
- Certificate numbers, test values and named project-case details are not presented until current supporting records are verified.